121183 has 4 divisors (see below), whose sum is σ = 122040. Its totient is φ = 120328.

The previous prime is 121181. The next prime is 121189. The reversal of 121183 is 381121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 121183 - 2¹ = 121181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160 + ... + 517.

It is an arithmetic number, because the mean of its divisors is an integer number (30510).

2¹²¹¹⁸³ is an apocalyptic number.

121183 is a deficient number, since it is larger than the sum of its proper divisors (857).

121183 is an equidigital number, since it uses as much as digits as its factorization.

121183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 48, while the sum is 16.

The square root of 121183 is about 348.1134872423. The cubic root of 121183 is about 49.4857966936.

It can be divided in two parts, 12118 and 3, that added together give a palindrome (12121).

The spelling of 121183 in words is "one hundred twenty-one thousand, one hundred eighty-three".